80LS1T Posted March 2, 2003 Share Posted March 2, 2003 The guy doing my heads(stock LT1 heads) just sent me an update on how they are coming... "stock the heads topped out at 210int and 174exh, ported with just using your old valves they top out at slightly over 250int and 210exh. I did finally get your test valves in from ferrea today and will be retesting them with the new pro-flo valves, numbers should be up even further. I think im going to settle on a 2.00 int and 1.55 exh for the final sizes." How do these sound for flow numbers??? I have no idea what is good but it sounds like he is getting a lot more flow out of them! Guy Quote Link to comment Share on other sites More sharing options...
Mike C Posted March 2, 2003 Share Posted March 2, 2003 Those are nice numbers. Check out this page to compare. http://www.fierolt1.com/lt1_lt4_headflow.htm Quote Link to comment Share on other sites More sharing options...
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